/* ==================== BASE ==================== */
:root {
    --primary: #3b5bdb;
    --primary-hover: #2f4bc4;
    --primary-soft: #e8ecfd;
    --accent: #10b981;
    --danger: #ef4444;
    --bg-app: #f1f5f9;
    
    /* Default Dark Theme (Base) */
    --sidebar-bg: #0f172a;
    --sidebar-border: rgba(255,255,255,0.07);
    --sidebar-text: #e2e8f0;
    --sidebar-text-strong: #f8fafc;
    --sidebar-muted: #64748b;
    --sidebar-hover: rgba(255,255,255,0.05);
    --sidebar-active: rgba(59, 91, 219, 0.2);
    --sidebar-active-border: #3b5bdb;
    --sidebar-element-bg: rgba(255,255,255,0.04);
    --sidebar-element-bg-hover: rgba(255,255,255,0.08);
    --sidebar-element-border: rgba(255,255,255,0.08);
    --sidebar-input-bg: rgba(255,255,255,0.06);
    --sidebar-scrollbar: rgba(255,255,255,0.1);
    --chart-bg: rgba(0,0,0,0.2);
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,.12), 0 2px 6px rgba(0,0,0,.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.18), 0 4px 12px rgba(0,0,0,.1);
    --radius: 10px;
    --radius-lg: 16px;
    --sidebar-w: 320px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --sidebar-bg: #ffffff;
    --sidebar-border: #e2e8f0;
    --sidebar-text: #475569;
    --sidebar-text-strong: #0f172a;
    --sidebar-muted: #64748b;
    --sidebar-hover: #f1f5f9;
    --sidebar-active: #eff6ff;
    --sidebar-element-bg: #f8fafc;
    --sidebar-element-bg-hover: #e2e8f0;
    --sidebar-element-border: #cbd5e1;
    --sidebar-input-bg: #ffffff;
    --sidebar-scrollbar: #cbd5e1;
    --chart-bg: #f8fafc;
}

[data-theme="terrain"] {
    --sidebar-bg: #fdfbf7;
    --sidebar-border: #e5e0d8;
    --sidebar-text: #475569;
    --sidebar-text-strong: #1c1917;
    --sidebar-muted: #78716c;
    --sidebar-hover: #f5f3ed;
    --sidebar-active: #eff6ff;
    --sidebar-element-bg: #ffffff;
    --sidebar-element-bg-hover: #e5e0d8;
    --sidebar-element-border: #d6d3d1;
    --sidebar-input-bg: #ffffff;
    --sidebar-scrollbar: #d6d3d1;
    --chart-bg: #f5f3ed;
}

[data-theme="satellite"] {
    --sidebar-bg: #111827;
}


* { margin:0; padding:0; box-sizing:border-box; }

body {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    background: var(--bg-app);
    color: #1e293b;
    overflow: hidden;
    height: 100vh;
}

/* ==================== APP LAYOUT ==================== */
.app {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
    z-index: 100;
    transition: width var(--transition), transform var(--transition);
    overflow: hidden;
}

.sidebar.collapsed {
    width: 0;
    transform: translateX(-100%);
}

/* Brand */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.brand-logo {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.brand-text {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.brand-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--sidebar-text-strong);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.brand-subtitle {
    font-size: 11px;
    color: var(--sidebar-muted);
    white-space: nowrap;
    margin-top: 1px;
}

.sidebar-toggle {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: 1px solid var(--sidebar-border);
    background: transparent;
    color: var(--sidebar-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    font-size: 12px;
}
.sidebar-toggle:hover { background: var(--sidebar-hover); color: var(--sidebar-text); }

/* Sidebar Open Button (when collapsed) */
.sidebar-open-btn {
    display: none;
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 500;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    border: 1px solid var(--sidebar-border);
    cursor: pointer;
    font-size: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
}
.sidebar-open-btn:hover { background: #1e293b; }
.sidebar.collapsed ~ .map-wrapper .sidebar-open-btn { display: flex; align-items: center; justify-content: center; }

/* Search */
.sidebar-search {
    padding: 14px 14px 0;
    flex-shrink: 0;
}

.search-input-wrap {
    position: relative;
}

.search-input-wrap i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sidebar-muted);
    font-size: 13px;
}

.search-input-wrap input {
    width: 100%;
    padding: 10px 12px 10px 34px;
    background: var(--sidebar-input-bg);
    border: 1px solid var(--sidebar-border);
    border-radius: 8px;
    color: var(--sidebar-text);
    font-size: 13px;
    outline: none;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}
.search-input-wrap input::placeholder { color: var(--sidebar-muted); }
.search-input-wrap input:focus {
    border-color: var(--primary);
    background: rgba(59, 91, 219, 0.08);
}

/* Actions */
.sidebar-actions {
    display: flex;
    gap: 8px;
    padding: 12px 14px;
    flex-shrink: 0;
}

.btn-show-all {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 14px;
    background: linear-gradient(135deg, #3b5bdb, #6366f1);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(59,91,219,0.35);
}
.btn-show-all:hover { background: linear-gradient(135deg, #2f4bc4, #5254d8); box-shadow: 0 4px 14px rgba(59,91,219,0.5); }
.btn-show-all:active { transform: translateY(1px); }

.btn-clear-all {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}
.btn-clear-all:hover { background: rgba(239, 68, 68, 0.2); }

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 1px;
    margin: 0 14px 12px;
    background: var(--sidebar-border);
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.stat-chip {
    flex: 1;
    padding: 8px 6px;
    background: var(--sidebar-element-bg);
    text-align: center;
}

.stat-chip .stat-num {
    font-size: 15px;
    font-weight: 700;
    color: var(--sidebar-text-strong);
    display: block;
}

.stat-chip .stat-label {
    font-size: 10px;
    color: var(--sidebar-muted);
    display: block;
    margin-top: 1px;
}

/* Category List */
.category-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 0 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-list::-webkit-scrollbar { width: 4px; }
.category-list::-webkit-scrollbar-track { background: transparent; }
.category-list::-webkit-scrollbar-thumb { background: var(--sidebar-scrollbar); border-radius: 4px; }

/* Category Item */
.category-item {
    border-radius: 10px;
    overflow: hidden;
    background: var(--sidebar-element-bg);
    border: 1px solid var(--sidebar-border);
}

.category-header {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    cursor: pointer;
    transition: background 0.2s;
    gap: 10px;
    user-select: none;
}
.category-header:hover { background: var(--sidebar-hover); }

.category-header-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.category-header-text {
    flex: 1;
    min-width: 0;
}

.category-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--sidebar-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-count {
    font-size: 11px;
    color: var(--sidebar-muted);
    margin-top: 1px;
}

.category-chevron {
    font-size: 11px;
    color: var(--sidebar-muted);
    transition: transform 0.3s;
    flex-shrink: 0;
}
.category-item.open .category-chevron { transform: rotate(180deg); }

/* Category Content */
.category-content {
    display: none;
    border-top: 1px solid var(--sidebar-border);
    max-height: 220px;
    overflow-y: auto;
}
.category-content::-webkit-scrollbar { width: 3px; }
.category-content::-webkit-scrollbar-thumb { background: var(--sidebar-element-bg-hover); border-radius: 3px; }

.category-item.open .category-content { display: block; }

/* Asset Item */
.asset-item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    gap: 10px;
    border-bottom: 1px solid var(--sidebar-element-border);
    cursor: default;
    transition: background 0.15s;
}
.asset-item:last-child { border-bottom: none; }
.asset-item:hover { background: var(--sidebar-hover); }
.asset-item.active { background: var(--sidebar-active); border-left: 2px solid var(--sidebar-active-border); padding-left: 12px; }

.asset-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sidebar-muted);
    flex-shrink: 0;
}
.asset-item.active .asset-dot { background: var(--primary); box-shadow: 0 0 6px rgba(59,91,219,0.6); }

.asset-info { flex: 1; min-width: 0; }

.asset-title {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--sidebar-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-sub {
    font-size: 11px;
    color: var(--sidebar-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-toggle-btn {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    border: 1px solid var(--sidebar-element-border);
    background: transparent;
    color: var(--sidebar-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.18s;
    flex-shrink: 0;
}
.asset-toggle-btn:hover { background: rgba(59,91,219,0.15); color: var(--primary); border-color: var(--primary); }
.asset-toggle-btn.active { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 2px 8px rgba(59,91,219,0.4); }

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    gap: 14px;
    color: var(--sidebar-muted);
    font-size: 13px;
}

.loading-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--sidebar-element-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ==================== MAP AREA ==================== */
.map-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
}

/* ==================== BASEMAP PICKER ==================== */
.basemap-picker {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 500;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 10px 12px;
    box-shadow: var(--shadow-lg);
}

.basemap-picker-inner {
    display: flex;
    gap: 8px;
}

.basemap-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 4px;
    border-radius: 10px;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.basemap-option:hover {
    background: var(--sidebar-input-bg);
}

.basemap-option.active {
    border-color: var(--primary);
    background: rgba(59, 91, 219, 0.15);
}

.basemap-option span {
    font-size: 10.5px;
    font-weight: 500;
    color: rgba(255,255,255,0.65);
    white-space: nowrap;
}

.basemap-option.active span {
    color: #fff;
}

.basemap-thumb {
    width: 56px;
    height: 42px;
    border-radius: 8px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    border: 1px solid var(--sidebar-element-border);
}

/* Thumbnail preview via CSS gradients (fast, no image needed) */
.basemap-thumb-light {
    background: 
        linear-gradient(180deg, #e8f4fd 0%, #d0e8f9 30%),
        radial-gradient(circle at 30% 70%, #c8ddf0 0%, transparent 50%);
    position: relative;
}
.basemap-thumb-light::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        repeating-linear-gradient(0deg, rgba(150,180,200,0.25) 0px, rgba(150,180,200,0.25) 1px, transparent 1px, transparent 14px),
        repeating-linear-gradient(90deg, rgba(150,180,200,0.25) 0px, rgba(150,180,200,0.25) 1px, transparent 1px, transparent 14px);
}

.basemap-thumb-dark {
    background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
    position: relative;
}
.basemap-thumb-dark::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        repeating-linear-gradient(0deg, rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 14px),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 14px);
}

.basemap-thumb-satellite {
    background: linear-gradient(160deg, #1a3a1a 0%, #2d5a27 30%, #1a3a1a 60%, #0d2b0d 100%);
    position: relative;
}
.basemap-thumb-satellite::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 40%, rgba(255,255,255,0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 70%, rgba(100,200,100,0.15) 0%, transparent 30%);
}

.basemap-thumb-terrain {
    background: linear-gradient(180deg, #b8d4a8 0%, #8cb87a 30%, #6b9e56 60%, #c4a85a 100%);
    position: relative;
}
.basemap-thumb-terrain::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%),
        repeating-linear-gradient(45deg, rgba(0,0,0,0.05) 0px, rgba(0,0,0,0.05) 1px, transparent 1px, transparent 8px);
}

/* ==================== POPUP STYLING ==================== */
.custom-popup-wrapper .leaflet-popup-content-wrapper {
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    padding: 0 !important;
    overflow: hidden;
    border: none;
}

.custom-popup-wrapper .leaflet-popup-content {
    margin: 0 !important;
    width: 300px !important;
    line-height: inherit;
}

.custom-popup-wrapper .leaflet-popup-close-button {
    color: rgba(255,255,255,0.8) !important;
    top: 10px !important;
    right: 12px !important;
    font-size: 18px !important;
    width: 22px !important;
    height: 22px !important;
    line-height: 22px !important;
    border-radius: 50% !important;
}
.custom-popup-wrapper .leaflet-popup-close-button:hover {
    background: rgba(255,255,255,0.15) !important;
    color: white !important;
}

.popup-header {
    background: linear-gradient(135deg, #1e3a8a, #3b5bdb);
    color: white;
    padding: 16px;
}

.popup-header-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 3px 8px;
    font-size: 10.5px;
    font-weight: 500;
    margin-bottom: 8px;
}

.popup-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.popup-header p {
    margin: 5px 0 0;
    font-size: 11.5px;
    opacity: 0.82;
    line-height: 1.4;
}

.popup-body {
    padding: 14px 16px;
    max-height: 240px;
    overflow-y: auto;
    background: #ffffff;
}

.popup-body::-webkit-scrollbar { width: 4px; }
.popup-body::-webkit-scrollbar-thumb { background: #e2e8f0; border-radius: 4px; }

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 12.5px;
}

.info-row:last-child { border-bottom: none; }

.info-label {
    font-weight: 500;
    color: #64748b;
    flex-shrink: 0;
    width: 44%;
}

.info-value {
    color: #0f172a;
    font-weight: 600;
    text-align: right;
    word-break: break-word;
    width: 56%;
}

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border: 1px solid #6ee7b7;
}

/* ==================== CHART PANEL ==================== */
.chart-toggle-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--sidebar-element-bg);
    border-top: 1px solid var(--sidebar-border);
    border-bottom: 1px solid var(--sidebar-border);
    cursor: pointer;
    flex-shrink: 0;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--sidebar-text);
    user-select: none;
    transition: background 0.2s;
}
.chart-toggle-bar:hover { background: var(--sidebar-element-bg-hover); }
.chart-toggle-bar i.fa-chart-pie { color: #818cf8; }
#chartChevron { font-size: 11px; color: var(--sidebar-muted); transition: transform 0.3s; }
.chart-panel.closed + * { }
.chart-panel.closed { display: none; }
#chartChevron.down { transform: rotate(180deg); }

.chart-panel {
    flex-shrink: 0;
    background: var(--chart-bg);
    border-top: none;
    padding-bottom: 8px;
    max-height: 260px;
}

.chart-tabs {
    display: flex;
    gap: 4px;
    padding: 10px 12px 6px;
}

.chart-tab {
    flex: 1;
    padding: 5px 6px;
    background: var(--sidebar-input-bg);
    border: 1px solid var(--sidebar-element-border);
    border-radius: 6px;
    color: var(--sidebar-muted);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all 0.18s;
}
.chart-tab:hover { background: var(--sidebar-scrollbar); color: var(--sidebar-text); }
.chart-tab.active { background: rgba(59, 91, 219, 0.25); color: #818cf8; border-color: rgba(59,91,219,0.4); }

.chart-canvas-wrap {
    padding: 4px 12px 8px;
    position: relative;
    height: 180px;
}

.chart-canvas-wrap canvas {
    max-height: 172px;
}